● denotes the specifications which apply over the" />
參數(shù)資料
型號(hào)： DC887A
廠商： Linear Technology
文件頁(yè)數(shù)： 14/20頁(yè)
文件大?。?/td> 0K
描述： BOARD SAR ADC LTC1408
軟件下載： QuikEval II System
設(shè)計(jì)資源： DC887A Design File
DC887A Schematic
標(biāo)準(zhǔn)包裝： 1
系列： QuikEval-II™
ADC 的數(shù)量： 1
位數(shù)： 12
采樣率（每秒）： 600k
數(shù)據(jù)接口： 串行
輸入范圍： ±1.25 V
工作溫度： 0°C ~ 70°C
已用 IC / 零件： LTC1408
已供物品： 板
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LTC1408IUH#PBF-ND - IC ADC 14BIT 600KSPS 32-QFN
LTC1408CUH#PBF-ND - IC ADC 14BIT 600KSPS 32-QFN
3
LTC1408
1408fa
I TER AL REFERE CE CHARACTERISTICS
UU
U
The
● denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. With internal reference, VDD = 3V, VDD = VCC = 3V.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SINAD
Signal-to-Noise Plus
100kHz Input Signal
●
73
76
dB
Distortion Ratio
300kHz Input Signal
76
dB
100kHz Input Signal, External VREF = 3.3V, VDD ≥ 3.3V
79
dB
300kHz Input Signal, External VREF = 3.3V, VDD ≥ 3.3V
79
dB
THD
Total Harmonic
100kHz First 5 Harmonics
●
–80
–90
dB
Distortion
300kHz First 5 Harmonics
–86
dB
SFDR
Spurious Free
100kHz Input Signal
90
dB
Dynamic Range
300kHz Input Signal
86
dB
IMD
Intermodulation
0.625VP-P, 833kHz into CH0+, 0.625VP-P, 841kHz into CH0–.
–80
dB
Distortion
Bipolar Mode. Also Applicable to Other Channels
Code-to-Code
VREF = 2.5V (Note 17)
0.7
LSBRMS
Transition Noise
Full Power Bandwidth
VIN = 2.5VP-P, SDO = 11585LSBP-P (–3dBFS) (Note 15)
50
MHz
Full Linear Bandwidth
S/(N + D)
≥ 68dB, Bipolar Differential Input
5
MHz
TA = 25°C. VDD = VCC = 3V.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VREF Output Voltage
IOUT = 0
2.5
V
VREF Output Tempco
15
ppm/
°C
VREF Line Regulation
VDD = 2.7V to 3.6V, VREF = 2.5V
600
V/V
VREF Output Resistance
Load Current = 0.5mA
0.2
VREF Settling Time
2ms
The
● denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. VDD = VCC = 3V.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VDD = 3.3V
●
2.4
V
VIL
Low Level Input Voltage
VDD = 2.7V
●
0.6
V
IIN
Digital Input Current
VIN = 0V to VDD
●
±10
A
CIN
Digital Input Capacitance
5pF
VOH
High Level Output Voltage
VDD = 3V, IOUT = – 200A
●
2.5
2.9
V
VOL
Low Level Output Voltage
VDD = 2.7V, IOUT = 160A
0.05
V
VDD = 2.7V, IOUT = 1.6mA
●
0.4
V
IOZ
Hi-Z Output Leakage DOUT
VOUT = 0V and VDD
●
±10
A
COZ
Hi-Z Output Capacitance DOUT
1pF
ISOURCE
Output Short-Circuit Source Current
VOUT = 0V, VDD = 3V
20
mA
ISINK
Output Short-Circuit Sink Current
VOUT = VDD = 3V
15
mA
DY A IC ACCURACY
U
W
DIGITAL I PUTS A D DIGITAL OUTPUTS
U
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